Fightlite MCR Dual-Feed Upper 5.56 NATO 16.25″

The Fightlite Industries MCR (Mission Configurable Rifle) Dual-Feed upper is a drop-on assembly designed to fit MIL-Spec AR-15/M16 lower receivers without permanent modification. It features a 16.25" quick-change barrel system and gas-piston operation for enhanced reliability in adverse conditions. The upper accepts standard AR-15/M16 magazines or M27 linked ammunition and includes a co-planar M-LOK handguard and MIL-STD-1913 rail at 12 o'clock for accessory mounting.

Key Specifications

• Chambering is .223 REM/5.56 NATO.
• The barrel measures 16.25 inches and is a quick-change design.
• The rate of twist is 1:7".
• The muzzle thread is 1/2-28.
• Handguard style is a co-planar M-LOK system with a MIL-STD-1913 rail at 12 o'clock.
• The upper receiver is machined from 7075-T6 billet aluminum.
• The barrel is manufactured from steel.
• Feed system is dual-feed, accepting AR-15/M16 magazines and M27 linked ammunition.
• Finish is manganese phosphate with Type III Class 2 hardcoat anodize (black).
• Sights are listed as adjustable.

The MCR Dual-Feed upper assembly offers modular capability for users who require flexibility between magazine-fed and linked ammunition setups. With its quick-change barrel, gas-piston operation, and robust billet construction, it serves as a practical upgrade path for AR-15/M16 platform owners seeking a configurable, accessory-ready upper without permanent alterations to the host lower. Built to integrate with common accessories and optics, it provides a straightforward solution for those prioritizing adaptability and durable construction.